Kinetics of the Ni(Hg)/Ni(II) electrode in noncomplexing aqueous solution
作者： T. Hurlen , E. Eriksrud , S. Jørgensen
DOI: 10.1016/S0022-0728(73)80275-X
关键词: Aqueous solution 、 Analytical chemistry 、 Nickel 、 Kinetics 、 Chemistry 、 Adsorption 、 Ion 、 Inorganic chemistry 、 Chloride 、 Electrode 、 Supersaturation 、 Electrochemistry 、 General Chemical Engineering
摘要: Summary From stationary, chronopotentiometric, and double-pulse galvanostatic measurements on the Ni(Hg)/Ni(II) electrode in 1 N chloride, acetate, sulphate solutions of pH 1.4–5.3 at 25°C it is found that parallel charge transfer by consecutive steps Ni(Hg)/Ni(I)/Ni(II) direct step occurs either direction, stimulation adsorbed anions (Cl − >Ac >SO 4 2− ) especially anodic overvoltages, slight inhibition acid cathodic overvoltages. Kinetic data are presented for each charge-transfer effects anion adsorption. Some observations moreover made supersaturation nickel mercury formation NiHg x .
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